Gentoo: GLSA-201209-20: mod_rpaf: Denial of Service
Summary
An error has been found in the way mod_rpaf handles X-Forwarded-For headers. Please review the CVE identifier referenced below for details.
Resolution
All mod_rpaf users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=www-apache/mod_rpaf-0.6"
References
[ 1 ] CVE-2012-3526 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-3526
Availability
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
https://security.gentoo.org/glsa/201209-20
Concerns
Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users' machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.
![Dist Gentoo](/images/distros/dist-gentoo.png)
Synopsis
A vulnerability in mod_rpaf may result in Denial of Service.
Background
mod_rpaf is a reverse proxy add forward module for backend Apache servers.
Affected Packages
------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 www-apache/mod_rpaf < 0.6 >= 0.6
Impact
===== A remote attacker could send a specially crafted HTTP header, possibly resulting in a Denial of Service condition.
Workaround
There is no known workaround at this time.